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Description

The Unico G381 Monocular Microscope was designed with your viewing comfort in mind. The Standard 10X High Eye-Point Eyepieces are engineered to reduce eyestrain for users wearing glasses. Each Eye Tube features Independent Focusing Diopter Adjustment to compensate for the natural vision differential between each eye. The Base Design adds stability to the body while allowing extra room for hand access to the Over-sized Coarse and Fine Focus Controls and easy access to the Coaxial Mechanical Stage Controls.

Warranty: 5 Year Limited Warranty; 1 Year Electrical System (excludes Bulb and Fuses) Warranty.

With use you will come to appreciate the Precise Mechanical Stage Movement, Optical Clarity, Flat Field and comfortable viewing. A comprehensive manual includes care and maintenance instructions. A Plastic Dust Cover is included with the Microscope.

Unico G381 Monocular Microscope Features

  • Head: Available with Monocular, Binocular, Dual View or Trinocular Heads. Binocular and Trinocular Heads feature Seidentopf Optical Design with 52 to 75 mm Interpupilary Distance Adjustment. All Heads rotate 360° and lock in-place with a thumbscrew.
  • Coated Optics: All Optics feature the following coatings: Anti-Glare, Color Correction, Anti-Fungal.
  • Eyepiece: Standard with 10X High-Eyepoint Widefield Oculars. Standard Widefield Oculars are also available. FN = 18 mm, optional 20 mm available.
  • Objectives:
      DIN Standard 4X, 10X, 40XP and 100XR (Oil) Objectives. 40X and 100X Objectives are "R", or Retractable. 4X = NA 0.10, 10X = NA 0.25, 40X = NA 0.65, 100X = NA 1.25.
    • Nosepiece: 4 Hold Standard.
    • Focal Length: 160 mm.
    • Options:
      • G381-LED: Achromat.
      • G381SP-LED: Semi-Plan.
      • G381PL-LED: Plan Achromat.
  • Magnification: With 10X Eyepieces, Standard Magnification is 40X, 100X, 400X and 1,000X.
  • Stand: Sturdy Cast Metal Frame with unique Polymer Accent Panel, designed to provide stability while dissipating bulb heat.
  • Condenser: Features a Focusable NA 1.25 Abbe Condenser with port for optional Simple Phase Contrast Annulus insertion. Focusable for concentrated or diffuse lighting with rack and pinion movement.
  • Focusing: Smooth, extra-large Graduated Coaxial Coarse and Fine Focus Controls with Tension Adjustment to eliminate stage drift. Adjustable to your personal preferences.
  • Stage:
      Built-In Graduated Mechanical Stage with Low-Position Coaxial X-Y Controls. Ball Bearing Movement allows for smooth, precise adjustments. Spring Loaded Slide Holder.
    • Stage Size: 142 mm x 132 mm.
    • Range of X-Y Stage Movement: 55 mm x 75 mm.
  • Illumination: LED.
  • Iris Diaphragm: Features Adjustable Iris with Metal Leaf Overlay Design.
  • Electrical: 110V-60 Hz to 240V-50 Hz, Universal Power Supply. The Fuse Rating is 250V 1.5A. UL & CSA Approved electrical parts.
  • Size & Weight:
    • Size: 9.5 in x 7.5 in x 16 in (240 mm x 190 mm x 410 mm).
    • Weight: 14 lb (6.4kg).
    • Shipping Size: 13.5 in x 10.5 in x 17.5 in (340 mm x 260 mm x 440 mm).
    • Shipping Weight: 18 lb (8.2kg).

Unico G381 Monocular Microscope Literature

Unico G380 Series Microscopes Brochure

Frequently asked questions

Does the microscope minimize eye strain?

Yes, the Unico G381 Monocular Microscope is designed to minimize eye strain. It features:

  • High Eye-Point Eyepieces: These are specifically designed to reduce eyestrain, which is particularly beneficial for users who wear glasses.
  • Independent Focusing Diopter Adjustment: This allows you to compensate for vision differences between your eyes, ensuring a clear and comfortable viewing experience.
Is the mechanical stage movement precise?

Yes, the Unico G381 is engineered for precise sample manipulation and features a highly functional stage:

  • It utilizes a built-in graduated mechanical stage (142 mm x 132 mm).
  • Movement is supported by ball-bearing mechanisms for smooth, accurate X-Y adjustments.
  • Controls are positioned low and are coaxial for ergonomic operation.
  • The total stage movement range is 55 mm x 75 mm, allowing for efficient examination of samples.
Are the optics protected by quality coatings?

Yes, the Unico G381 utilizes high-quality coated optics to maximize clarity, ensure accurate color representation, and protect the internal components for long-term use. The standard protective treatments applied to the optical components include:

  • Anti-Glare: Reduces internal reflections and stray light, significantly enhancing contrast and image quality.
  • Color Correction: Ensures specimens are viewed with accurate, true-to-life colors.
  • Anti-Fungal Protection: This crucial coating shields the internal lens elements from degradation caused by moisture, which is vital for maintaining the longevity and performance of the microscope.
Are High Eye-Point eyepieces included?

Yes, the Unico G381 is equipped with high-quality, ergonomic eyepieces designed for comfortable, prolonged viewing. These are Standard 10X High Eye-Point Widefield Oculars (18 mm Field Number).

Key features related to the eyepieces and viewing comfort include:

  • Ergonomic Design: The High Eye-Point engineering significantly reduces visual fatigue and eyestrain, making it ideal for users who wear corrective eyewear or glasses during observation.
  • Vision Customization: The eye tube includes Independent Focusing Diopter Adjustment, allowing you to precisely tune the focus to compensate for individual vision differences.
  • Optical Protection: The eyepieces are paired with objectives that feature protective Anti-Glare, Color Correction, and Anti-Fungal coatings for excellent image quality and system longevity.
Does it use professional DIN Standard objectives?

Yes, the Unico G381 Monocular Microscope uses professional DIN Standard objectives designed for clarity, durability, and a wide magnification range.

Key Features of the Optics:

  • Magnification: Achieves total magnifications from 40X up to 1,000X when paired with the standard 10X eyepieces.
  • Objectives: Includes a four-hole nosepiece with:
    • 4X (NA 0.10)
    • 10X (NA 0.25)
    • 40XP (NA 0.65, Retractable)
    • 100XR Oil Immersion (NA 1.25, Retractable)
  • Protection: The high-magnification 40X and 100X objectives are retractable, protecting slides and the lenses from accidental damage.
  • Clarity: All optics feature specialized anti-glare, color correction, and anti-fungal coatings to ensure excellent image quality and long-term performance.
What is the maximum magnification power?

The Unico G381 Monocular Microscope provides a comprehensive range of magnifications using the standard 10X High-Eyepoint Eyepieces combined with the included DIN objectives.

The four standard magnification levels are:

  • 40X (using the 4X objective)
  • 100X (using the 10X objective)
  • 400X (using the 40XP objective)
  • 1,000X (using the 100XR Oil immersion objective)

The highest achievable magnification is 1,000X. For added protection, both the 40X and 100X objectives are designed to be retractable (‘R’).

Does it include a focusable Abbe Condenser?

Yes, the Unico G381 includes a focusable NA 1.25 Abbe Condenser designed for precise control over illumination, contrast, and resolution. This system ensures optimal image quality across all magnification levels.

Key features of the illumination and condenser system:

  • Focusable Precision: The condenser uses a rack and pinion movement, allowing you to precisely adjust its height for every objective.
  • Adjustable Diaphragm: It features an adjustable Iris Diaphragm with a durable metal leaf overlay design, providing fine control over contrast and depth of field.
  • Modern LED Illumination: Illumination is provided by a 3 Watt LED light source, offering bright, cool, and long-lasting performance.
  • Phase Contrast Ready: The condenser is built with a port for inserting an optional Simple Phase Contrast Annulus, supporting advanced microscopy techniques.
Does this microscope use high-quality LED illumination?

Yes, the Unico G381 Monocular Microscope uses reliable and efficient LED illumination (3 Watt bulb specified for variants). This system ensures bright, consistent, and long-lasting light for clear viewing across the entire magnification range, up to 1,000X.

Key features of the illumination and condenser system include:

  • A Focusable NA 1.25 Abbe Condenser with rack and pinion movement, allowing you to precisely optimize the light path.
  • An adjustable Iris Diaphragm with a metal leaf overlay design for fine-tuning contrast and resolution.
  • A port built into the condenser for optional Simple Phase Contrast Annulus insertion, increasing the unit’s versatility.

Additionally, the microscope is designed for international use, utilizing a Universal Power Supply that accepts input from 110V-60 Hz up to 240V-50 Hz.